Brakes lost their umph

[mathew.smith]

Over the weekend I was heading out into the woods. I found myself on some rough roads, and without hearing or feeling anything odd my brake pedal lost it's feedback. I now have almost no response in my brakes without pumping the pedal once. Sounds like a loss of pressure problem to me. The clutch is working fine with response and feedback.

Any idea what went wrong so abruptly(could it just be air in the lines that got shaken up?).

[earthmuffin]

Do you have any leaks or other mysterious fluid loss?
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This thread SUCKS!!!

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Backup and hit the brakes, repeat 8 or 10 times. the bumps could have shifted the rear shoes and this will readjust them.
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'65 standard bus
'87 Vanagon Westfalia

[Ragman]

When was the last time you adjusted your rear brakes?

[mathew.smith]

I checked for leaks and did not find anything obvious. It has been raining so the obvious teltails are not any help. I tried backing up and hitting the brakes and the problem did not go away. The brakes were on my list of things to replace soon so I am just going to replace and keep my eyes open for other issues. Thanks for your input everyone!!

Matt